Não informado. (1985). WASTE TREATMENT TECHNOLOGY NEWS. Business Communications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. WASTE TREATMENT TECHNOLOGY NEWS. Stanford, Conn: Business Communications, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. WASTE TREATMENT TECHNOLOGY NEWS. Business Communications, 1985.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.